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<h1>mindsensors-pressure.h</h1>  </div>
</div>
<div class="contents">
<a href="mindsensors-pressure_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*!@addtogroup mindsensors</span>
<a name="l00002"></a>00002 <span class="comment"> * @{</span>
<a name="l00003"></a>00003 <span class="comment"> * @defgroup ppsv3 Pressure Sensor V3</span>
<a name="l00004"></a>00004 <span class="comment"> * PPS-v3 Sensor</span>
<a name="l00005"></a>00005 <span class="comment"> * @{</span>
<a name="l00006"></a>00006 <span class="comment"> */</span>
<a name="l00007"></a>00007 
<a name="l00008"></a>00008 <span class="comment">/*</span>
<a name="l00009"></a>00009 <span class="comment"> * $Id: mindsensors-pressure.h 133 2013-03-10 15:15:38Z xander $</span>
<a name="l00010"></a>00010 <span class="comment"> */</span>
<a name="l00011"></a>00011 
<a name="l00012"></a>00012 <span class="preprocessor">#ifndef __MSPPS_H__</span>
<a name="l00013"></a>00013 <span class="preprocessor"></span><span class="preprocessor">#define __MSPPS_H__</span>
<a name="l00014"></a>00014 <span class="preprocessor"></span><span class="comment">/** \file mindsensors-pressure.h</span>
<a name="l00015"></a>00015 <span class="comment"> * \brief Mindsensors PPS-v3 driver</span>
<a name="l00016"></a>00016 <span class="comment"> *</span>
<a name="l00017"></a>00017 <span class="comment"> * mindsensors-pressure.h provides an API for the Mindsensors PPS-v3 Pressure Sensor driver</span>
<a name="l00018"></a>00018 <span class="comment"> *</span>
<a name="l00019"></a>00019 <span class="comment"> * Changelog:</span>
<a name="l00020"></a>00020 <span class="comment"> * - 0.1: Initial release</span>
<a name="l00021"></a>00021 <span class="comment"> *</span>
<a name="l00022"></a>00022 <span class="comment"> * Credits:</span>
<a name="l00023"></a>00023 <span class="comment"> * - Big thanks to Mindsensors for providing me with the hardware necessary to write and test this.</span>
<a name="l00024"></a>00024 <span class="comment"> *</span>
<a name="l00025"></a>00025 <span class="comment"> * License: You may use this code as you wish, provided you give credit where its due.</span>
<a name="l00026"></a>00026 <span class="comment"> *</span>
<a name="l00027"></a>00027 <span class="comment"> * THIS CODE WILL ONLY WORK WITH ROBOTC VERSION 3.59 AND HIGHER. </span>
<a name="l00028"></a>00028 <span class="comment"></span>
<a name="l00029"></a>00029 <span class="comment"> * \author Xander Soldaat (xander_at_botbench.com)</span>
<a name="l00030"></a>00030 <span class="comment"> * \date 01 January 2012</span>
<a name="l00031"></a>00031 <span class="comment"> * \version 0.1</span>
<a name="l00032"></a>00032 <span class="comment"> * \example mindsensors-pressure-test1.c</span>
<a name="l00033"></a>00033 <span class="comment"> */</span>
<a name="l00034"></a>00034 
<a name="l00035"></a>00035 <span class="preprocessor">#pragma systemFile</span>
<a name="l00036"></a>00036 <span class="preprocessor"></span>
<a name="l00037"></a>00037 <span class="preprocessor">#ifndef __COMMON_H__</span>
<a name="l00038"></a>00038 <span class="preprocessor"></span><span class="preprocessor">#include &quot;<a class="code" href="common_8h.html" title="Commonly used functions used by drivers.">common.h</a>&quot;</span>
<a name="l00039"></a>00039 <span class="preprocessor">#endif</span>
<a name="l00040"></a>00040 <span class="preprocessor"></span>
<a name="l00041"></a><a class="code" href="group__ppsv3.html#ga0d82c856addc0e2f64ead1afb5b3ada1">00041</a> <span class="preprocessor">#define MSPPS_I2C_ADDR       0x18  </span><span class="comment">/*!&lt; MSPPS I2C device address */</span>
<a name="l00042"></a>00042 
<a name="l00043"></a><a class="code" href="group__ppsv3.html#ga9e5821e91316cbee45f1a1e3638501a5">00043</a> <span class="preprocessor">#define MSPPS_CMD            0x41  </span><span class="comment">/*!&lt; MSPPS command register */</span>
<a name="l00044"></a>00044 
<a name="l00045"></a><a class="code" href="group__ppsv3.html#ga9b2afab4b20b068ac02d4b015ea6c153">00045</a> <span class="preprocessor">#define MSPPS_UNIT           0x42  </span><span class="comment">/*!&lt; Configure measurement unit */</span>
<a name="l00046"></a><a class="code" href="group__ppsv3.html#gaa0124f70d3bf2a77a49843614e34c076">00046</a> <span class="preprocessor">#define MSPPS_PRESS_ABS      0x43  </span><span class="comment">/*!&lt; Read the absolute pressure */</span>
<a name="l00047"></a><a class="code" href="group__ppsv3.html#ga59d9a013bca2ad37bbdfcba34fc67257">00047</a> <span class="preprocessor">#define MSPPS_PRESS_GAUGE    0x45  </span><span class="comment">/*!&lt; Read the gauge pressure */</span>
<a name="l00048"></a><a class="code" href="group__ppsv3.html#ga6187116239ccee704a383db815a1639b">00048</a> <span class="preprocessor">#define MSPPS_PRESS_REF      0x47  </span><span class="comment">/*!&lt; Read or write the reference pressure */</span>
<a name="l00049"></a>00049 
<a name="l00050"></a><a class="code" href="group__ppsv3.html#gafe54b1797e44f95ba025f63f4a1de2f0">00050</a> <span class="preprocessor">#define MSPPS_UNIT_PSI       0x50   </span><span class="comment">/*!&lt; PSI unit */</span>
<a name="l00051"></a><a class="code" href="group__ppsv3.html#ga5d05c239807640b3a2579c47197cd5ab">00051</a> <span class="preprocessor">#define MSPPS_UNIT_MB        0x62   </span><span class="comment">/*!&lt; Millibar unit */</span>
<a name="l00052"></a><a class="code" href="group__ppsv3.html#gadca5aba7341a6525c3e5f3490c606236">00052</a> <span class="preprocessor">#define MSPPS_UNIT_KPA       0x6B   </span><span class="comment">/*!&lt; Kilo Pascal unit */</span>
<a name="l00053"></a>00053 
<a name="l00054"></a><a class="code" href="group__ppsv3.html#ga0fcb3ec83df318211fc823bb1598dff1">00054</a> <span class="preprocessor">#define MSPSS_CMD_SETREF     0x44    </span><span class="comment">/*!&lt; Set reference pressure to current absolute pressure */</span>
<a name="l00055"></a>00055 
<a name="l00056"></a>00056 <span class="comment">// Prototypes</span>
<a name="l00057"></a>00057 <span class="keywordtype">bool</span> <a class="code" href="group__ppsv3.html#ga1ac2895e931ff8ced789598bb13e47f6">MSPPSsendCmd</a>(tSensors link, ubyte command);
<a name="l00058"></a>00058 <span class="keywordtype">bool</span> <a class="code" href="group__ppsv3.html#gab82830d179cb0c74c26631b779fe460a">MSPPSsetUnit</a>(tSensors link, ubyte unit);
<a name="l00059"></a>00059 <span class="keywordtype">long</span> <a class="code" href="group__ppsv3.html#ga4a25ad537f92fcca98340592a398bac7">MSPPSreadPressure</a>(tSensors link, ubyte reg);
<a name="l00060"></a>00060 <span class="keywordtype">long</span> <a class="code" href="group__ppsv3.html#ga5319bd1e6112483a907d805ee48e722e">MSPPSreadAbsPressure</a>(tSensors link);
<a name="l00061"></a>00061 <span class="keywordtype">long</span> <a class="code" href="group__ppsv3.html#ga35f687044e31a361a1a2a5addc62888d">MSPPSreadGaugePressure</a>(tSensors link);
<a name="l00062"></a>00062 <span class="keywordtype">long</span> <a class="code" href="group__ppsv3.html#ga9f82a7d473d704ea0d42edc89675cef7">MSPPSreadRefPressure</a>(tSensors link);
<a name="l00063"></a>00063 <span class="keywordtype">bool</span> <a class="code" href="group__ppsv3.html#ga0ccec921593e074a09f47b7ab3c4e48c">MSPPSsetRefPressure</a>(tSensors link);
<a name="l00064"></a>00064 <span class="keywordtype">bool</span> <a class="code" href="group__ppsv3.html#ga0ccec921593e074a09f47b7ab3c4e48c">MSPPSsetRefPressure</a>(tSensors link, <span class="keywordtype">int</span> refpressure);
<a name="l00065"></a>00065 
<a name="l00066"></a>00066 <span class="comment">// Handy defines to shortcut some actions</span>
<a name="l00067"></a><a class="code" href="group__ppsv3.html#ga657a1add9ffb6ad6ed27ebbe9c1266e8">00067</a> <span class="preprocessor">#define MSPPSsetUnitPSI(X)  MSPPSsetUnit(X, MSPPS_UNIT_PSI)</span>
<a name="l00068"></a><a class="code" href="group__ppsv3.html#gaa5f7544edcbe822e586c95e785ada99d">00068</a> <span class="preprocessor"></span><span class="preprocessor">#define MSPPSsetUnitmB(X)   MSPPSsetUnit(X, MSPPS_UNIT_MB)</span>
<a name="l00069"></a><a class="code" href="group__ppsv3.html#ga947222e473677d012fbe76eeb1d733e4">00069</a> <span class="preprocessor"></span><span class="preprocessor">#define MSPPSsetUnitkPa(X)  MSPPSsetUnit(X, MSPPS_UNIT_KPA)</span>
<a name="l00070"></a>00070 <span class="preprocessor"></span>
<a name="l00071"></a><a class="code" href="group__ppsv3.html#ga17bf647492032f5ad0ec36145330a561">00071</a> <a class="code" href="group__common.html#gaa172ef131853460e5b9f5c6db81d30f4">tByteArray</a> <a class="code" href="group__ppsv3.html#ga17bf647492032f5ad0ec36145330a561">MSPPS_I2CRequest</a>;       <span class="comment">/*!&lt; Array to hold I2C command data */</span>
<a name="l00072"></a><a class="code" href="group__ppsv3.html#ga110dc24cc39c7e014789b1b2a8efcad5">00072</a> <a class="code" href="group__common.html#gaa172ef131853460e5b9f5c6db81d30f4">tByteArray</a> <a class="code" href="group__ppsv3.html#ga110dc24cc39c7e014789b1b2a8efcad5">MSPPS_I2CReply</a>;         <span class="comment">/*!&lt; Array to hold I2C reply data */</span>
<a name="l00073"></a>00073 
<a name="l00074"></a>00074 <span class="comment"></span>
<a name="l00075"></a>00075 <span class="comment">/**</span>
<a name="l00076"></a>00076 <span class="comment"> * Read the pressure from the sensor and return it in the</span>
<a name="l00077"></a>00077 <span class="comment"> * unit the sensor has been configured for.&lt;br&gt;</span>
<a name="l00078"></a>00078 <span class="comment"> * It is better to use MSPPSreadAbsPressure(), MSPPSreadGaugePressure()</span>
<a name="l00079"></a>00079 <span class="comment"> * or MSPPSreadRefPressure() instead</span>
<a name="l00080"></a>00080 <span class="comment"> * @param link the sensor port number</span>
<a name="l00081"></a>00081 <span class="comment"> * @param reg Specific pressure register to read.</span>
<a name="l00082"></a>00082 <span class="comment"> * @return the absolute pressure.</span>
<a name="l00083"></a>00083 <span class="comment"> */</span>
<a name="l00084"></a><a class="code" href="group__ppsv3.html#ga4a25ad537f92fcca98340592a398bac7">00084</a> <span class="keywordtype">long</span> <a class="code" href="group__ppsv3.html#ga4a25ad537f92fcca98340592a398bac7">MSPPSreadPressure</a>(tSensors link, ubyte reg)
<a name="l00085"></a>00085 {
<a name="l00086"></a>00086   memset(<a class="code" href="group__ppsv3.html#ga17bf647492032f5ad0ec36145330a561">MSPPS_I2CRequest</a>, 0, <span class="keyword">sizeof</span>(<a class="code" href="group__common.html#gaa172ef131853460e5b9f5c6db81d30f4">tByteArray</a>));
<a name="l00087"></a>00087 
<a name="l00088"></a>00088   <a class="code" href="group__ppsv3.html#ga17bf647492032f5ad0ec36145330a561">MSPPS_I2CRequest</a>[0] = 2;               <span class="comment">// Number of bytes in I2C command</span>
<a name="l00089"></a>00089   <a class="code" href="group__ppsv3.html#ga17bf647492032f5ad0ec36145330a561">MSPPS_I2CRequest</a>[1] = <a class="code" href="group__ppsv3.html#ga0d82c856addc0e2f64ead1afb5b3ada1">MSPPS_I2C_ADDR</a>;   <span class="comment">// I2C address of accel sensor</span>
<a name="l00090"></a>00090   <a class="code" href="group__ppsv3.html#ga17bf647492032f5ad0ec36145330a561">MSPPS_I2CRequest</a>[2] = reg;     <span class="comment">// Set write address to sensor mode register</span>
<a name="l00091"></a>00091 
<a name="l00092"></a>00092   <span class="keywordflow">if</span> (!<a class="code" href="group__common.html#gad02e06f83b264ee6fc7df41eb4712080">writeI2C</a>(link, <a class="code" href="group__ppsv3.html#ga17bf647492032f5ad0ec36145330a561">MSPPS_I2CRequest</a>, <a class="code" href="group__ppsv3.html#ga110dc24cc39c7e014789b1b2a8efcad5">MSPPS_I2CReply</a>, 2))
<a name="l00093"></a>00093     <span class="keywordflow">return</span> 0;
<a name="l00094"></a>00094 
<a name="l00095"></a>00095   <span class="keywordflow">return</span> ((<span class="keywordtype">long</span>)<a class="code" href="group__ppsv3.html#ga110dc24cc39c7e014789b1b2a8efcad5">MSPPS_I2CReply</a>[1] * 256) + MSPPS_I2CReply[0];
<a name="l00096"></a>00096 }
<a name="l00097"></a>00097 
<a name="l00098"></a>00098 <span class="comment"></span>
<a name="l00099"></a>00099 <span class="comment">/**</span>
<a name="l00100"></a>00100 <span class="comment"> * Read the absolute pressure from the sensor and return it in the</span>
<a name="l00101"></a>00101 <span class="comment"> * unit the sensor has been configured for.</span>
<a name="l00102"></a>00102 <span class="comment"> * @param link the sensor port number</span>
<a name="l00103"></a>00103 <span class="comment"> * @return the absolute pressure.</span>
<a name="l00104"></a>00104 <span class="comment"> */</span>
<a name="l00105"></a><a class="code" href="group__ppsv3.html#ga5319bd1e6112483a907d805ee48e722e">00105</a> <span class="keywordtype">long</span> <a class="code" href="group__ppsv3.html#ga5319bd1e6112483a907d805ee48e722e">MSPPSreadAbsPressure</a>(tSensors link)
<a name="l00106"></a>00106 {
<a name="l00107"></a>00107   <span class="keywordflow">return</span> <a class="code" href="group__ppsv3.html#ga4a25ad537f92fcca98340592a398bac7">MSPPSreadPressure</a>(link, <a class="code" href="group__ppsv3.html#gaa0124f70d3bf2a77a49843614e34c076">MSPPS_PRESS_ABS</a>);
<a name="l00108"></a>00108 }
<a name="l00109"></a>00109 
<a name="l00110"></a>00110 <span class="comment"></span>
<a name="l00111"></a>00111 <span class="comment">/**</span>
<a name="l00112"></a>00112 <span class="comment"> * Read the gauge pressure from the sensor and return it in the</span>
<a name="l00113"></a>00113 <span class="comment"> * unit the sensor has been configured for.  This is the absolute</span>
<a name="l00114"></a>00114 <span class="comment"> * pressure minus the reference pressure.</span>
<a name="l00115"></a>00115 <span class="comment"> * @param link the sensor port number</span>
<a name="l00116"></a>00116 <span class="comment"> * @return the gauge pressure.</span>
<a name="l00117"></a>00117 <span class="comment"> */</span>
<a name="l00118"></a><a class="code" href="group__ppsv3.html#ga35f687044e31a361a1a2a5addc62888d">00118</a> <span class="keywordtype">long</span> <a class="code" href="group__ppsv3.html#ga35f687044e31a361a1a2a5addc62888d">MSPPSreadGaugePressure</a>(tSensors link)
<a name="l00119"></a>00119 {
<a name="l00120"></a>00120   <span class="keywordflow">return</span> <a class="code" href="group__ppsv3.html#ga4a25ad537f92fcca98340592a398bac7">MSPPSreadPressure</a>(link, <a class="code" href="group__ppsv3.html#ga59d9a013bca2ad37bbdfcba34fc67257">MSPPS_PRESS_GAUGE</a>);
<a name="l00121"></a>00121 }
<a name="l00122"></a>00122 
<a name="l00123"></a>00123 <span class="comment"></span>
<a name="l00124"></a>00124 <span class="comment">/**</span>
<a name="l00125"></a>00125 <span class="comment"> * Read the reference pressure from the sensor and return it in the</span>
<a name="l00126"></a>00126 <span class="comment"> * unit specified.</span>
<a name="l00127"></a>00127 <span class="comment"> * @param link the sensor port number</span>
<a name="l00128"></a>00128 <span class="comment"> * @return the reference pressure.</span>
<a name="l00129"></a>00129 <span class="comment"> */</span>
<a name="l00130"></a><a class="code" href="group__ppsv3.html#ga9f82a7d473d704ea0d42edc89675cef7">00130</a> <span class="keywordtype">long</span> <a class="code" href="group__ppsv3.html#ga9f82a7d473d704ea0d42edc89675cef7">MSPPSreadRefPressure</a>(tSensors link)
<a name="l00131"></a>00131 {
<a name="l00132"></a>00132   <span class="keywordflow">return</span> <a class="code" href="group__ppsv3.html#ga4a25ad537f92fcca98340592a398bac7">MSPPSreadPressure</a>(link, <a class="code" href="group__ppsv3.html#ga6187116239ccee704a383db815a1639b">MSPPS_PRESS_REF</a>);
<a name="l00133"></a>00133 }
<a name="l00134"></a>00134 
<a name="l00135"></a>00135 <span class="comment"></span>
<a name="l00136"></a>00136 <span class="comment">/**</span>
<a name="l00137"></a>00137 <span class="comment"> * Set the reference pressure to the value specified.</span>
<a name="l00138"></a>00138 <span class="comment"> * @param link the sensor port number</span>
<a name="l00139"></a>00139 <span class="comment"> * @param refpressure the value the ref pressure register should be set to.</span>
<a name="l00140"></a>00140 <span class="comment"> * @return true if no error occured, false if it did</span>
<a name="l00141"></a>00141 <span class="comment"> */</span>
<a name="l00142"></a><a class="code" href="group__ppsv3.html#ga45163e32e298fac55fba72abfdf831d8">00142</a> <span class="keywordtype">bool</span> <a class="code" href="group__ppsv3.html#ga0ccec921593e074a09f47b7ab3c4e48c">MSPPSsetRefPressure</a>(tSensors link, <span class="keywordtype">int</span> refpressure)
<a name="l00143"></a>00143 {
<a name="l00144"></a>00144   memset(<a class="code" href="group__ppsv3.html#ga17bf647492032f5ad0ec36145330a561">MSPPS_I2CRequest</a>, 0, <span class="keyword">sizeof</span>(<a class="code" href="group__common.html#gaa172ef131853460e5b9f5c6db81d30f4">tByteArray</a>));
<a name="l00145"></a>00145 
<a name="l00146"></a>00146   <a class="code" href="group__ppsv3.html#ga17bf647492032f5ad0ec36145330a561">MSPPS_I2CRequest</a>[0] = 4;                         <span class="comment">// Number of bytes in I2C command</span>
<a name="l00147"></a>00147   <a class="code" href="group__ppsv3.html#ga17bf647492032f5ad0ec36145330a561">MSPPS_I2CRequest</a>[1] = <a class="code" href="group__ppsv3.html#ga0d82c856addc0e2f64ead1afb5b3ada1">MSPPS_I2C_ADDR</a>;            <span class="comment">// I2C address of accel sensor</span>
<a name="l00148"></a>00148   <a class="code" href="group__ppsv3.html#ga17bf647492032f5ad0ec36145330a561">MSPPS_I2CRequest</a>[2] = <a class="code" href="group__ppsv3.html#ga6187116239ccee704a383db815a1639b">MSPPS_PRESS_REF</a>;           <span class="comment">// Set write address to sensor mode register</span>
<a name="l00149"></a>00149   <a class="code" href="group__ppsv3.html#ga17bf647492032f5ad0ec36145330a561">MSPPS_I2CRequest</a>[3] = refpressure &amp; 0xFF;         <span class="comment">// Command to be sent to the sensor</span>
<a name="l00150"></a>00150   <a class="code" href="group__ppsv3.html#ga17bf647492032f5ad0ec36145330a561">MSPPS_I2CRequest</a>[4] = (refpressure &lt;&lt; 8) &amp; 0xFF;  <span class="comment">// Command to be sent to the sensor</span>
<a name="l00151"></a>00151 
<a name="l00152"></a>00152   <span class="keywordflow">return</span> <a class="code" href="group__common.html#gad02e06f83b264ee6fc7df41eb4712080">writeI2C</a>(link, <a class="code" href="group__ppsv3.html#ga17bf647492032f5ad0ec36145330a561">MSPPS_I2CRequest</a>);
<a name="l00153"></a>00153 }
<a name="l00154"></a>00154 
<a name="l00155"></a>00155 <span class="comment"></span>
<a name="l00156"></a>00156 <span class="comment">/**</span>
<a name="l00157"></a>00157 <span class="comment"> * Set the reference pressure to the current absolute pressure value.</span>
<a name="l00158"></a>00158 <span class="comment"> * @param link the sensor port number</span>
<a name="l00159"></a>00159 <span class="comment"> * @return true if no error occured, false if it did</span>
<a name="l00160"></a>00160 <span class="comment"> */</span>
<a name="l00161"></a><a class="code" href="group__ppsv3.html#ga0ccec921593e074a09f47b7ab3c4e48c">00161</a> <span class="keywordtype">bool</span> <a class="code" href="group__ppsv3.html#ga0ccec921593e074a09f47b7ab3c4e48c">MSPPSsetRefPressure</a>(tSensors link)
<a name="l00162"></a>00162 {
<a name="l00163"></a>00163   <span class="keywordflow">return</span> <a class="code" href="group__ppsv3.html#ga1ac2895e931ff8ced789598bb13e47f6">MSPPSsendCmd</a>(link, <a class="code" href="group__ppsv3.html#ga0fcb3ec83df318211fc823bb1598dff1">MSPSS_CMD_SETREF</a>);
<a name="l00164"></a>00164 }
<a name="l00165"></a>00165 
<a name="l00166"></a>00166 <span class="comment"></span>
<a name="l00167"></a>00167 <span class="comment">/**</span>
<a name="l00168"></a>00168 <span class="comment"> * Send a command to the sensor</span>
<a name="l00169"></a>00169 <span class="comment"> * @param link the sensor port number</span>
<a name="l00170"></a>00170 <span class="comment"> * @param command the command to be sent</span>
<a name="l00171"></a>00171 <span class="comment"> * @return true if no error occured, false if it did</span>
<a name="l00172"></a>00172 <span class="comment"> */</span>
<a name="l00173"></a><a class="code" href="group__ppsv3.html#ga1ac2895e931ff8ced789598bb13e47f6">00173</a> <span class="keywordtype">bool</span> <a class="code" href="group__ppsv3.html#ga1ac2895e931ff8ced789598bb13e47f6">MSPPSsendCmd</a>(tSensors link, ubyte command) {
<a name="l00174"></a>00174   memset(<a class="code" href="group__ppsv3.html#ga17bf647492032f5ad0ec36145330a561">MSPPS_I2CRequest</a>, 0, <span class="keyword">sizeof</span>(<a class="code" href="group__common.html#gaa172ef131853460e5b9f5c6db81d30f4">tByteArray</a>));
<a name="l00175"></a>00175 
<a name="l00176"></a>00176   <a class="code" href="group__ppsv3.html#ga17bf647492032f5ad0ec36145330a561">MSPPS_I2CRequest</a>[0] = 3;               <span class="comment">// Number of bytes in I2C command</span>
<a name="l00177"></a>00177   <a class="code" href="group__ppsv3.html#ga17bf647492032f5ad0ec36145330a561">MSPPS_I2CRequest</a>[1] = <a class="code" href="group__ppsv3.html#ga0d82c856addc0e2f64ead1afb5b3ada1">MSPPS_I2C_ADDR</a>;   <span class="comment">// I2C address of accel sensor</span>
<a name="l00178"></a>00178   <a class="code" href="group__ppsv3.html#ga17bf647492032f5ad0ec36145330a561">MSPPS_I2CRequest</a>[2] = <a class="code" href="group__ppsv3.html#ga9e5821e91316cbee45f1a1e3638501a5">MSPPS_CMD</a>;        <span class="comment">// Set write address to sensor mode register</span>
<a name="l00179"></a>00179   <a class="code" href="group__ppsv3.html#ga17bf647492032f5ad0ec36145330a561">MSPPS_I2CRequest</a>[3] = command;         <span class="comment">// Command to be sent to the sensor</span>
<a name="l00180"></a>00180 
<a name="l00181"></a>00181   <span class="keywordflow">return</span> <a class="code" href="group__common.html#gad02e06f83b264ee6fc7df41eb4712080">writeI2C</a>(link, <a class="code" href="group__ppsv3.html#ga17bf647492032f5ad0ec36145330a561">MSPPS_I2CRequest</a>);
<a name="l00182"></a>00182 }
<a name="l00183"></a>00183 
<a name="l00184"></a>00184 <span class="comment"></span>
<a name="l00185"></a>00185 <span class="comment">/**</span>
<a name="l00186"></a>00186 <span class="comment"> * Set the unit of measurement to the one specified.</span>
<a name="l00187"></a>00187 <span class="comment"> * @param link the sensor port number</span>
<a name="l00188"></a>00188 <span class="comment"> * @param unit the unit of measurement to be used.</span>
<a name="l00189"></a>00189 <span class="comment"> * @return true if no error occured, false if it did</span>
<a name="l00190"></a>00190 <span class="comment"> */</span>
<a name="l00191"></a><a class="code" href="group__ppsv3.html#gab82830d179cb0c74c26631b779fe460a">00191</a> <span class="keywordtype">bool</span> <a class="code" href="group__ppsv3.html#gab82830d179cb0c74c26631b779fe460a">MSPPSsetUnit</a>(tSensors link, ubyte unit) {
<a name="l00192"></a>00192   memset(<a class="code" href="group__ppsv3.html#ga17bf647492032f5ad0ec36145330a561">MSPPS_I2CRequest</a>, 0, <span class="keyword">sizeof</span>(<a class="code" href="group__common.html#gaa172ef131853460e5b9f5c6db81d30f4">tByteArray</a>));
<a name="l00193"></a>00193 
<a name="l00194"></a>00194   <a class="code" href="group__ppsv3.html#ga17bf647492032f5ad0ec36145330a561">MSPPS_I2CRequest</a>[0] = 3;               <span class="comment">// Number of bytes in I2C command</span>
<a name="l00195"></a>00195   <a class="code" href="group__ppsv3.html#ga17bf647492032f5ad0ec36145330a561">MSPPS_I2CRequest</a>[1] = <a class="code" href="group__ppsv3.html#ga0d82c856addc0e2f64ead1afb5b3ada1">MSPPS_I2C_ADDR</a>;   <span class="comment">// I2C address of accel sensor</span>
<a name="l00196"></a>00196   <a class="code" href="group__ppsv3.html#ga17bf647492032f5ad0ec36145330a561">MSPPS_I2CRequest</a>[2] = <a class="code" href="group__ppsv3.html#ga9b2afab4b20b068ac02d4b015ea6c153">MSPPS_UNIT</a>;        <span class="comment">// Set write address to sensor mode register</span>
<a name="l00197"></a>00197   <a class="code" href="group__ppsv3.html#ga17bf647492032f5ad0ec36145330a561">MSPPS_I2CRequest</a>[3] = unit;         <span class="comment">// Command to be sent to the sensor</span>
<a name="l00198"></a>00198 
<a name="l00199"></a>00199   <span class="keywordflow">return</span> <a class="code" href="group__common.html#gad02e06f83b264ee6fc7df41eb4712080">writeI2C</a>(link, <a class="code" href="group__ppsv3.html#ga17bf647492032f5ad0ec36145330a561">MSPPS_I2CRequest</a>);
<a name="l00200"></a>00200 }
<a name="l00201"></a>00201 
<a name="l00202"></a>00202 <span class="preprocessor">#endif //__MSPPS_H__</span>
<a name="l00203"></a>00203 <span class="preprocessor"></span>
<a name="l00204"></a>00204 <span class="comment">/*</span>
<a name="l00205"></a>00205 <span class="comment"> * $Id: mindsensors-pressure.h 133 2013-03-10 15:15:38Z xander $</span>
<a name="l00206"></a>00206 <span class="comment"> */</span>
<a name="l00207"></a>00207 <span class="comment">/* @} */</span>
<a name="l00208"></a>00208 <span class="comment">/* @} */</span>
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